Photo 1 of Heavy-Duty Chipboard Sheets 16 x 20 in - 80 PT (2mm) Thick - 20 Large Sheets of Chip Board for Binding Covers, Book Boards, Backing and Crafts - Sturdy Alternative to Thin Cardboard Sheets

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Photo 1 of Heavy-Duty Chipboard Sheets 16 x 20 in - 80 PT (2mm) Thick - 20 Large Sheets of Chip Board for Binding Covers, Book Boards, Backing and Crafts - Sturdy Alternative to Thin Cardboard Sheets Photo 2 of Heavy-Duty Chipboard Sheets 16 x 20 in - 80 PT (2mm) Thick - 20 Large Sheets of Chip Board for Binding Covers, Book Boards, Backing and Crafts - Sturdy Alternative to Thin Cardboard Sheets